EP2817811B1 - Jumper for electrically connecting electrical switching apparatus poles, and electrical switching apparatus including the same - Google Patents
Jumper for electrically connecting electrical switching apparatus poles, and electrical switching apparatus including the same Download PDFInfo
- Publication number
- EP2817811B1 EP2817811B1 EP12788390.8A EP12788390A EP2817811B1 EP 2817811 B1 EP2817811 B1 EP 2817811B1 EP 12788390 A EP12788390 A EP 12788390A EP 2817811 B1 EP2817811 B1 EP 2817811B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- poles
- switching apparatus
- electrical switching
- terminal
- jumper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000463 material Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000012777 electrically insulating material Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
- H01H71/082—Connections between juxtaposed circuit breakers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1045—Multiple circuits-breaker, e.g. for the purpose of dividing current or potential drop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
- H01H2033/6613—Cooling arrangements directly associated with the terminal arrangements
Definitions
- the disclosed concept pertains generally to electrical switching apparatus and, more particularly, to circuit interrupters, such as, for example, circuit breakers.
- the disclosed concept further pertains to jumpers for electrical switching apparatus poles.
- U.S. Patent No. 6,614.334 discloses a series arrangement of two circuit breaker mechanisms.
- the interruption performance of the circuit breaker is determined by the "current limitation of series arcs," which provides two arcs in series, thereby having twice the resistance of a single arc.
- Circuit breakers are typically available in one-, two-, three- and four-pole construction, although larger counts of poles are possible.
- circuit breakers For a 1000 VDC application, typically multiple circuit breakers are electrically tied together. Most known existing six-pole or eight-pole air circuit breakers are designed such that the poles are electrically connected internally in breaker structures in a predetermined manner.
- circuit breaker poles can be wired in series. Normally, cable or bus bars are electrically connected to the circuit breaker terminals, which carry the current and remove a significant amount of the heat that is generated within the breaker.
- a conventional shorting strap (or jumper) electrically connected between poles can carry the current, but does not remove much beat, resulting in relatively high temperature rises at the circuit breaker terminals.
- EP 1 630 916 A1 discloses an electrical saitching apparatus according to the preamble of claim 1.
- an electrical switching apparatus comprises: a plurality of poles, each of the poles comprising a terminal, the terminal of a first one of the poles being proximate the terminal of a second one of the poles; and a jumper electrically connected between the terminal of the first one of the poles and the terminal of the second one of the poles, the jumper comprising a plurality of heat transfer members, each of the heat transfer members being separated from others of the heat transfer members.
- an electrical switching apparatus comprises: a plurality of poles a plurality of pairs of separable contacts: a plurality of terminals electrically connected to the pairs of separable contacts; and a number of jumpers electrically connected to at least some of the plurality of terminals, each of the number of jumpers electrically connecting two of the pairs of separable contacts in series, and each of the number of jumpers comprising a plurality of heat transfer members, each of the heat transfer members being separated from others of the heat transfer members.
- a jumper is for an electrical switching apparatus comprising a plurality of poles, each of the poles comprising a plurality of terminals, one of the terminals of a first one of the poles being proximate one of the terminals of a second one of the poles.
- the jumper comprises: a jumpers member structured to be electrically connected between the one of the terminals of the first one of the poles and the one of the terminals of the second one of the poles, the jumper member comprising: a plurality of heat transfer members, wherein each of the heat transfer members is separated from others of the heat transfer members.
- number shall mean one or an integer greater than one ( i.e., a plurality).
- the disclosed concept is described in association with a three-pole circuit breaker, although the disclosed concept is applicable to a wide range of electrical switching apparatus having any suitable plurality of poles.
- a jumper 2 is for electrical connection between a terminal 4 (shown in phantom line drawing) of one pole 6 (shown in phantom line drawing) and a terminal 8 (shown in phantom line drawing) of another pole 10 (shown in phantom line drawing) of a plural-pole electrical switching apparatus (not shown, but see the three-pole circuit breaker 12 of Figures 8 and 9 ) having an outer surface 13 (shown in phantom line drawing).
- the example jumper 2 is a two-piece configuration that sandwiches each of the circuit breaker terminals 4,8, as shown in Figure 2 with the terminal 8.
- One piece 14 has three example integral fins 16,18,20 and the other piece 22 is a single example fin.
- the one piece 14 with the three example integral fins 16,18,20 can be made with a suitable casting process.
- the two pieces 14,22 are bolted to the circuit breaker terminals 4,8 by bolts 24,26 (shown in phantom line drawing in Figure 1 ) that pass through openings 28,30.
- the jumpers 2,32,42,52 are bolted to the circuit breaker terminals 4,8.
- portions of these jumpers are threaded to act as nuts, although separate nuts (not shown) could alternatively be employed for the bolts 24,26.
- the example jumper 32 of Figures 3 and 4 is a four-piece configuration including four bent plates 34,36,38.40 ( Figure 4 ).
- the circuit breaker terminal 8 is sandwiched between the third and fourth plates 38,40.
- the four plates 34,36,38,40 and the circuit breaker terminals 4,8 (shown in phantom line drawing in Figure 3 ) are secured together with bolts 24,26 (shown in phantom line drawing in Figure 3 ).
- This configuration has a similar function and a similar performance as that of the configuration of Example 1, but is made by bending the plates 34,36,38,40, rather than with a casting.
- the three plates 34,36,38 that are positioned on one side of the circuit breaker terminals 4,8 could alternatively be joined to ease assembly onto the circuit breaker terminals 4,8, but such joining is not needed for proper function.
- the circuit breaker terminals 4,8 are thin relative to the jumper 32.
- the thickness of the jumper 32 relative to the terminal thickness can be different for various circuit breakers.
- the example arrangement with the terminal 8 between plates 38 and 40 is believed to be the most efficient arrangement for heat transfer, although all four plates 34,36,38,40 could be on one side of the terminal 8 without a large reduction in performance.
- the example jumper 42 of Figures 5 and 6 is a two-piece configuration including two separate pieces 44,46. Each of the circuit breaker terminals 4,8 (shown in phantom line drawing in Figure 5 ) is sandwiched between the two jumper pieces 44,46, as shown with the terminal 8 in Figure 6 .
- This configuration provides relatively less effective heat transfer surface area within a relatively small space, but is relatively easier to make and use, while the jumpers 2,32 of Examples 1 and 2 provide relatively more heat transfer.
- the first piece 44 is a single first fin 44
- the second piece 46 is a single second fin 46.
- the single first fin 44 has an L-shape with two legs 47,48.
- the single second fin 46 has a U-shape with a first leg 49 and a second leg 50 having an L-shape.
- the leg 47 of the L-shape of the single first fin 44 is coupled to a portion 51 of the second leg 50 having the L-shape of the single second fin 46.
- the example jumper 52 of Figure 7 is a single-piece configuration, which can be machined or made with a casting process. This configuration provides a relatively large heat transfer surface area as compared to the configurations of Examples 1-3. However, in this specific example, due to fin efficiencies and air flow spacing, the example configuration of the jumper 52 does not provide as much heat transfer as the configurations of Examples 1-3. As a single-piece configuration, this provides ease of use by a customer and is easily bolted onto the circuit breaker terminals 4,8 (shown in phantom line drawing) by corresponding terminals 54,56. This configuration includes a plurality of heat transfer members 57 integral to the jumper 52.
- the disclosed jumpers 2,32.42,52 can be employed to electrically connect adjacent poles on one electrical switching apparatus, such as a circuit breaker.
- one electrical switching apparatus such as a circuit breaker.
- two of the disclosed jumpers 2 electrically connect three poles 58,60,62 of the three-pole circuit breaker 12 in series, in order that a relatively higher voltage can be switched by the circuit breaker 12.
- the upper (with respect to Figures 8 and 9 ) jumper 2 engages terminals 4,8 (shown in hidden line drawing) (see, also, the terminals 4,8 of Figures 1 and 2 ) of the poles 60,62, and the lower (with respect to Figures 8 and 9 ) jumpers 2 engages terminals 4',8' (shown in hidden line drawing) (see, also, the terminals 4,8 of Figures 1 and 2 ) of the poles 58,60.
- two poles 58,60 are electrically connected in series by the lower (with respect to Figures 8 and 9 ) jumper 2.
- two poles 60,62 are electrically connected in series by the upper (with respect to Figures 8 and 9 ) jumper 2, in order that the three poles 58,60,62 are electrically connected in series.
- Each of the poles 58,60,62 includes a corresponding pair of separable contacts 66,68,70 (as shown in simplified form in the partially cut-away view of Figure 8 ), respectively.
- the disclosed jumpers 2,32,42,52 include multiple heat transfer members.
- Such heat transfer members can be provided by multiple plates (e.g., without limitation, 34,36,38,40 of Figure 4 ) interleaved and bent to reduce the space occupied, or with the heat transfer members 57 of a solid block (e.g., without limitation, as shown with the jumper 52 of Figure 7 ) machined or cast, in order to provide the same functions of heat transfer and current carrying ability.
- the disclosed jumpers 2,32,42,52 are made from a suitably electrically and thermally conductive material, such as copper or aluminum.
- An electrically insulating material 64 e.g., without limitation, as partially shown in Figure 7
- the jumpers can be made from multiple pieces or from a single piece of material.
- the disclosed jumpers 2,32,42,52 preferably maximize the available heat transfer surface area while providing sufficient space for free air convection.
- phase jumpers 2,32,42,52 may have holes, slots or other suitable openings added to provide relatively more area for free air movement.
Landscapes
- Breakers (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Description
- The disclosed concept pertains generally to electrical switching apparatus and, more particularly, to circuit interrupters, such as, for example, circuit breakers. The disclosed concept further pertains to jumpers for electrical switching apparatus poles.
-
U.S. Patent No. 6,614.334 discloses a series arrangement of two circuit breaker mechanisms. The interruption performance of the circuit breaker is determined by the "current limitation of series arcs," which provides two arcs in series, thereby having twice the resistance of a single arc. - It is known to connect multiple poles of circuit breakers in series to provide a high voltage for a low voltage switching and interruption device (e.g., without limitation, 750 VDC: 1000 VDC; 1500 VAC).
- Circuit breakers are typically available in one-, two-, three- and four-pole construction, although larger counts of poles are possible.
- For a 1000 VDC application, typically multiple circuit breakers are electrically tied together. Most known existing six-pole or eight-pole air circuit breakers are designed such that the poles are electrically connected internally in breaker structures in a predetermined manner.
- It is known that to obtain higher interruption and voltage ratings, circuit breaker poles can be wired in series. Normally, cable or bus bars are electrically connected to the circuit breaker terminals, which carry the current and remove a significant amount of the heat that is generated within the breaker. A conventional shorting strap (or jumper) electrically connected between poles can carry the current, but does not remove much beat, resulting in relatively high temperature rises at the circuit breaker terminals.
- There is room for improvement in electrical switching apparatus, such as circuit breakers.
- The document "
EP 1 630 916 A1claim 1. - These needs and others are met by embodiments of the disclosed concept, which provide both a current carrying function and a heat transfer function within a relatively small available space.
- In accordance with one aspect of the disclosed concept, an electrical switching apparatus comprises: a plurality of poles, each of the poles comprising a terminal, the terminal of a first one of the poles being proximate the terminal of a second one of the poles; and a jumper electrically connected between the terminal of the first one of the poles and the terminal of the second one of the poles, the jumper comprising a plurality of heat transfer members, each of the heat transfer members being separated from others of the heat transfer members.
- As another aspect of the disclosed concept, an electrical switching apparatus comprises: a plurality of poles a plurality of pairs of separable contacts: a plurality of terminals electrically connected to the pairs of separable contacts; and a number of jumpers electrically connected to at least some of the plurality of terminals, each of the number of jumpers electrically connecting two of the pairs of separable contacts in series, and each of the number of jumpers comprising a plurality of heat transfer members, each of the heat transfer members being separated from others of the heat transfer members.
- As another aspect of the disclosed concept, a jumper is for an electrical switching apparatus comprising a plurality of poles, each of the poles comprising a plurality of terminals, one of the terminals of a first one of the poles being proximate one of the terminals of a second one of the poles. The jumper comprises: a jumpers member structured to be electrically connected between the one of the terminals of the first one of the poles and the one of the terminals of the second one of the poles, the jumper member comprising: a plurality of heat transfer members, wherein each of the heat transfer members is separated from others of the heat transfer members.
- A full understanding of the disclosed concept can be gained from the hollowing description of the preferred embodiments when read in conjunction with the accompanying drawings in which:
-
Figure 1 is a plan view of a jumper for electrical connection between a terminal of one pole and a terminal of another pole of a plural-pole electrical switching apparatus in accordance with an embodiment of the disclosed concept. -
Figure 2 is a vertical elevation view of the jumper engaging a terminal of one of the poles of the electrical switching apparatus ofFigure 1 . -
Figure 3 is a plan view of a jumper for electrical connection between a terminal of one pole and a terminal of another pole of a plural-pole electrical switching apparatus in accordance with another embodiment of the disclosed concept. -
Figure 4 is a vertical elevation view of the jumper engaging a terminal of one of the poles of the electrical switching apparatus ofFigure 3 . -
Figure 5 is a plan view of a jumper for electrical confection between a terminal of one pole and a terminal of another pole of a plural-pole electrical switching apparatus in accordance with another embodiment of the disclosed concept. -
Figure 6 is a vertical elevation view of the jumper engaging a terminal of one of the poles of the electrical switching apparatus ofFigure 5 . -
Figure 7 is an isometric view of a jumper for electrical connection between a terminal of one pole and a terminal of another pole of a plural-pole electrical switching apparatus in accordance with another embodiment of the disclosed concept. -
Figure 8 is a vertical elevation view of a three-pole circuit breaker including two jumpers each of which engages a terminal of one of the poles and a terminal of another one of the poles in accordance with another embodiment of the disclosed concept. -
Figure 9 is a side vertical elevation view of the three-pole circuit breaker and two jumpers ofFigure 8 . - As employed herein, the term "number" shall mean one or an integer greater than one (i.e., a plurality).
- As employed herein, the statement that two or more parts are "connected" or "coupled" together shall mean that the pans are joined together either directly or joined through one or more intermediate parts. Further, as employed herein, the statement that two or more parts are "attached" shall mean that the parts are joined together directly.
- The disclosed concept is described in association with a three-pole circuit breaker, although the disclosed concept is applicable to a wide range of electrical switching apparatus having any suitable plurality of poles.
- Referring to
Figure 1 , ajumper 2 is for electrical connection between a terminal 4 (shown in phantom line drawing) of one pole 6 (shown in phantom line drawing) and a terminal 8 (shown in phantom line drawing) of another pole 10 (shown in phantom line drawing) of a plural-pole electrical switching apparatus (not shown, but see the three-pole circuit breaker 12 ofFigures 8 and9 ) having an outer surface 13 (shown in phantom line drawing). Theexample jumper 2 is a two-piece configuration that sandwiches each of thecircuit breaker terminals 4,8, as shown inFigure 2 with theterminal 8. Onepiece 14 has three exampleintegral fins other piece 22 is a single example fin. The onepiece 14 with the three exampleintegral fins pieces circuit breaker terminals 4,8 bybolts 24,26 (shown in phantom line drawing inFigure 1 ) that pass throughopenings - In Examples 1-4, the
jumpers circuit breaker terminals 4,8. Preferably, portions of these jumpers are threaded to act as nuts, although separate nuts (not shown) could alternatively be employed for thebolts - The
example jumper 32 ofFigures 3 and 4 is a four-piece configuration including fourbent plates Figure 4 ). In this configuration, thecircuit breaker terminal 8 is sandwiched between the third andfourth plates plates Figure 3 ) are secured together withbolts 24,26 (shown in phantom line drawing inFigure 3 ). This configuration has a similar function and a similar performance as that of the configuration of Example 1, but is made by bending theplates - The three
plates circuit breaker terminals 4,8 could alternatively be joined to ease assembly onto thecircuit breaker terminals 4,8, but such joining is not needed for proper function. - As shown in
Figure 4 , thecircuit breaker terminals 4,8 are thin relative to thejumper 32. The thickness of thejumper 32 relative to the terminal thickness can be different for various circuit breakers. The example arrangement with theterminal 8 betweenplates plates terminal 8 without a large reduction in performance. - The
example jumper 42 ofFigures 5 and 6 is a two-piece configuration including twoseparate pieces Figure 5 ) is sandwiched between the twojumper pieces terminal 8 inFigure 6 . This configuration provides relatively less effective heat transfer surface area within a relatively small space, but is relatively easier to make and use, while thejumpers - As shown in
Figure 6 , thefirst piece 44 is a singlefirst fin 44, and thesecond piece 46 is asingle second fin 46. The singlefirst fin 44 has an L-shape with twolegs single second fin 46 has a U-shape with afirst leg 49 and asecond leg 50 having an L-shape. Theleg 47 of the L-shape of the singlefirst fin 44 is coupled to aportion 51 of thesecond leg 50 having the L-shape of thesingle second fin 46. - The
example jumper 52 ofFigure 7 is a single-piece configuration, which can be machined or made with a casting process. This configuration provides a relatively large heat transfer surface area as compared to the configurations of Examples 1-3. However, in this specific example, due to fin efficiencies and air flow spacing, the example configuration of thejumper 52 does not provide as much heat transfer as the configurations of Examples 1-3. As a single-piece configuration, this provides ease of use by a customer and is easily bolted onto the circuit breaker terminals 4,8 (shown in phantom line drawing) by correspondingterminals heat transfer members 57 integral to thejumper 52. - The
example jumpers - The disclosed
jumpers 2,32.42,52 can be employed to electrically connect adjacent poles on one electrical switching apparatus, such as a circuit breaker. For example and without limitation, two of the disclosedjumpers 2 electrically connect threepoles pole circuit breaker 12 in series, in order that a relatively higher voltage can be switched by thecircuit breaker 12. For example, the upper (with respect toFigures 8 and9 )jumper 2 engages terminals 4,8 (shown in hidden line drawing) (see, also, theterminals 4,8 ofFigures 1 and 2 ) of thepoles Figures 8 and9 )jumpers 2 engages terminals 4',8' (shown in hidden line drawing) (see, also, theterminals 4,8 ofFigures 1 and 2 ) of thepoles poles Figures 8 and9 )jumper 2. and twopoles Figures 8 and9 )jumper 2, in order that the threepoles - Each of the
poles separable contacts Figure 8 ), respectively. - The disclosed
jumpers Figure 4 ) interleaved and bent to reduce the space occupied, or with theheat transfer members 57 of a solid block (e.g., without limitation, as shown with thejumper 52 ofFigure 7 ) machined or cast, in order to provide the same functions of heat transfer and current carrying ability. - The disclosed
jumpers Figure 7 ) can be coated on the members of the jumpers (e.g., without limitation, as shown with thejumper 52 ofFigure 7 ) in order to provide personnel protection from electrical shock. The jumpers can be made from multiple pieces or from a single piece of material. - The disclosed
jumpers - The disclosed
phase jumpers
Claims (15)
- An electrical switching apparatus (12) comprising:a plurality of poles (58,60,62), each of said poles comprising a terminal (4,8,4',8'), the terminal (4,8') of a first one of said poles being proximate the terminal (8,4') of a second one of said poles: anda jumper (2;32;42;52) electrically connected between the terminal of the first one of said poles and the terminal of the second one of said poles, characterised in that said jumper comprises a plurality of heat transfer members (16,18,20,22;34,36,38,40;44,46;57), each of said heat transfer members being separated from others of said heat transfer members.
- The electrical switching apparatus (12) of Claim 1 wherein said plurality of heat transfer members are a plurality of conductive plates (34,36,38,40) interleaved and bent in order to reduce size of said jumper (32).
- The electrical switching apparatus (12) of Claim 1 wherein said jumper provides both a current carrying function and a heat transfer function.
- The electrical switching apparatus (12) of Claim 3 wherein said jumper (52) is a machined member structured to provide the current carrying function and the heat transfer function, a cast member structured to provide the current carrying function and the heat transfer function, or is made from an electrically and thermally conductive material.
- The electrical switching apparatus (12) of Claim 1 wherein said jumper (52) further comprises a plurality of surfaces coated with an electrically insulating material (64) thereon.
- The electrical switching apparatus (12) of Claim 1 wherein said jumper is made from a number of pieces of material (14,22;34,36,38,40;44,46;52) or from a plurality of pieces of material (14,22;34,36,38,40;44,46).
- The electrical switching apparatus (12) of Claim 1 wherein said jumper (2;32;42) comprises a first piece (14;34,36,38,44) and a second piece (22;40;46); and wherein each of the terminal of the first one of said poles and the terminal of the second one of said poles is sandwiched between the first piece and the second piece.
- The electrical switching apparatus (12) of Claim 7 wherein said first piece and said second piece are bolted to both of the terminal of the first one of said poles and the terminal of the second one of said poles.
- The electrical switching apparatus (12) of Claim 7 wherein said first piece (14) comprises a plurality of fins (16,18,20); and wherein said second piece (22) comprises a single fin (22).
- The electrical switching apparatus (12) of Claim 9 wherein said plurality of fins (16,18,20) are integral to said first piece (14).
- The electrical switching apparatus (12) of Claim 7 wherein said jumper (32) comprises a first bent plate (34), a second bent plate (36), a third bent plate (38) and a fourth bent plate (40); and wherein each of the terminal of the first one of said poles and the terminal of the second one of said poles is sandwiched between the third bent plate and the fourth bent plate.
- The electrical switching apparatus (12) of Claim 11 wherein each of the terminal of the first one of said poles and the terminal of the second one of said poles is secured to the first bent plate, the second bent plate, the third bent plate and the fourth bent plate by a bolt (24,26).
- The electrical switching apparatus (12) of Claim 11 wherein said first bent plate (34), said second bent plate (36) and said third bent plate (38) are joined together as a first piece (32); wherein said fourth bent plate (40) is a second piece (40); and wherein each of the terminal of the first one of said poles and the terminal of the second one of said poles is sandwiched between the first piece and the second piece.
- The electrical switching apparatus (12) of Claim 7 wherein said first piece (44) comprises a single first fin (44); and wherein said second piece (46) comprises a single second fin (46).
- The electrical switching apparatus (12) of Claim 14 wherein said single first fin (44) has an L-shape with two legs (47,48); wherein said single second fin (46) has a U-shape with a first leg (49) and a second leg (50) having an L-shape; and wherein one (47) of the two legs of the L-shape of said single first fin is coupled to a portion (51) of the second leg having the L-shape of said single second fin.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/402,239 US9001499B2 (en) | 2012-02-22 | 2012-02-22 | Jumper for electrically connecting electrical switching apparatus poles, and electrical switching apparatus including the same |
PCT/US2012/063233 WO2013126103A1 (en) | 2012-02-22 | 2012-11-02 | Jumper for electrically connecting electrical switching apparatus poles, and electrical switching apparatus including the same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2817811A1 EP2817811A1 (en) | 2014-12-31 |
EP2817811B1 true EP2817811B1 (en) | 2016-03-23 |
Family
ID=47215783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12788390.8A Active EP2817811B1 (en) | 2012-02-22 | 2012-11-02 | Jumper for electrically connecting electrical switching apparatus poles, and electrical switching apparatus including the same |
Country Status (6)
Country | Link |
---|---|
US (1) | US9001499B2 (en) |
EP (1) | EP2817811B1 (en) |
BR (1) | BR112014016582A8 (en) |
CA (1) | CA2858535C (en) |
MX (1) | MX2014010191A (en) |
WO (1) | WO2013126103A1 (en) |
Families Citing this family (3)
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---|---|---|---|---|
US9536680B2 (en) * | 2014-06-18 | 2017-01-03 | Eaton Corporation | Electrical switching apparatus, and jumper and associated method therefor |
US10153629B2 (en) * | 2016-07-21 | 2018-12-11 | Abb Schweiz Ag | Thermal cooling interface for electrical joints |
US10270231B2 (en) | 2017-06-20 | 2019-04-23 | Hamilton Sundstrand Corporation | Integrated contactor mounting post |
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US2870240A (en) * | 1952-12-01 | 1959-01-20 | Frank Adam Electric Co | Bus ducts |
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US3621108A (en) * | 1970-01-21 | 1971-11-16 | Westinghouse Electric Corp | Heat-conducting fins for bus bars and other electrical conductors |
US3829647A (en) * | 1971-06-04 | 1974-08-13 | Westinghouse Electric Corp | Heat conducting fins for bus bars and other electrical conductors |
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US4005297A (en) * | 1972-10-18 | 1977-01-25 | Westinghouse Electric Corporation | Vacuum-type circuit interrupters having heat-dissipating devices associated with the contact structures thereof |
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ES2056348T3 (en) * | 1989-11-27 | 1994-10-01 | Bticino Spa | ASSEMBLY OF CONSTRUCTION ELEMENTS TO FACILITATE THE SIMULTANEOUS ELECTRICAL CONNECTION OF SEVERAL MODULAR AUTOMATIC SWITCHES. |
US5064384A (en) * | 1990-12-04 | 1991-11-12 | Square D Company | Jumper assembly for multiple breaker application |
BE1009825A3 (en) * | 1995-12-08 | 1997-09-02 | Geebelen Jozef | Process for making electrical connections and distribution system and elements used hereby. |
DE10001462C1 (en) * | 2000-01-15 | 2001-08-16 | Loh Kg Rittal Werk | Kit for connecting bus bars to electrical fitting contacts has angled connectors, flat bar sections and Z-angled sections made of flat material of identical cross-section |
DE10032653A1 (en) * | 2000-06-28 | 2002-01-10 | Siemens Ag | Connection rail for electrical devices and apparatus, for different nominal currents, with a cavity |
US6565394B2 (en) | 2001-05-31 | 2003-05-20 | Eaton Corporation | Clamping mechanism for a jumper cable assembly for use with a horn bypass within an electrical meter center |
US6692296B2 (en) | 2002-02-04 | 2004-02-17 | Eaton Corporation | Circuit breaker jumper assembly having a modular design structured for single and three phase operation |
US6589071B1 (en) * | 2002-02-04 | 2003-07-08 | Eaton Corporation | Circuit breaker jumper assembly with a snap-fit cover assembly |
US6614334B1 (en) | 2002-06-27 | 2003-09-02 | Eaton Corporation | Circuit breaker including two circuit breaker mechanisms and an operating handle |
EP1630916A1 (en) * | 2004-08-27 | 2006-03-01 | Siemens Aktiengesellschaft | Supply system for low voltage switch |
US7239502B1 (en) | 2006-01-20 | 2007-07-03 | Eaton Corporation | Meter center and multi-phase multiple meter socket assembly therefor |
US7422491B2 (en) * | 2006-10-19 | 2008-09-09 | Tyco Electronics Corporation | Bussing connector |
US7400495B1 (en) | 2007-04-24 | 2008-07-15 | Eaton Corporation | Meter socket assembly employing phase balancing bus jumpers and meter center employing the same |
WO2009079871A1 (en) | 2007-12-07 | 2009-07-02 | Abb (China) Limited | Circuit breaker with a heat dissipating means |
IT1395698B1 (en) * | 2009-05-28 | 2012-10-19 | Abb Spa | COOLING DEVICE FOR A SWITCH, AND SWITCH INCLUDING THIS DEVICE. |
US8717746B2 (en) * | 2012-03-22 | 2014-05-06 | Abb Technology Ag | Cooling apparatus for switchgear with enhanced busbar joint cooling |
-
2012
- 2012-02-22 US US13/402,239 patent/US9001499B2/en active Active
- 2012-11-02 MX MX2014010191A patent/MX2014010191A/en unknown
- 2012-11-02 EP EP12788390.8A patent/EP2817811B1/en active Active
- 2012-11-02 BR BR112014016582A patent/BR112014016582A8/en not_active IP Right Cessation
- 2012-11-02 CA CA2858535A patent/CA2858535C/en active Active
- 2012-11-02 WO PCT/US2012/063233 patent/WO2013126103A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2013126103A1 (en) | 2013-08-29 |
CA2858535A1 (en) | 2013-08-29 |
MX2014010191A (en) | 2014-11-10 |
BR112014016582A2 (en) | 2017-06-13 |
EP2817811A1 (en) | 2014-12-31 |
CA2858535C (en) | 2019-04-02 |
US9001499B2 (en) | 2015-04-07 |
US20130213780A1 (en) | 2013-08-22 |
BR112014016582A8 (en) | 2017-07-04 |
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